MCQ
Highest reactivity in $IA$ is of
- ✓$Cs$
- B$Li$
- C$Na$
- D$Rb$
✓
Answer
Correct option: A.
$Cs$
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What volume of dioxygen is required for complete combustion of $2\, volumes$ of acetylene gas at $NTP$ ? ................. $\mathrm{Volumes}$
→One mole of ice is converted into water at $1$ $atm$ & $273\, K$. The entropies of $H_2O(s)$ and $H_2O(l)$ are $38.2$ and $60.01\, J\, mol^{-1} \,K^{-1}$ respectively the enthalpy change for the conversion is ......$J \,mol^{-1}$
→(image) $CH_3CH_2CHO+PCl_5 \to (B)$, $(A)$ and $(B)$ are
→Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and $\mathrm{P}_{4} \mathrm{O}_{10}$ (in $4: 1$ ratio $)$ is:
→The Gibbs energy change (in $J$) for the given reaction at $\left[ Cu ^{2+}\right]=\left[ Sn^{2+}\right]=1\, M$ and $298 \,K$ is:
→$Cu ( s )+ Sn ^{2+}( aq ) \rightarrow Cu ^{2+}( aq )+ Sn ( s )$
$\left( E _{ Sn ^{2+} \mid Sn }^{0}=-0.16\, V , E _{ Cu ^{2+} \mid Cu }^{0}=0.34\, V \right.$ Take $F=96500\, C\, mol ^{-1}$ )
$X$ and $Y$ respectively are
→To prevent rancidification of food material, which of the following is added
In the above conversion of compound $( X )$ to product $(Y)$, the sequence of reagents to be used will be:
→$IUPAC$ name of $C{H_2} = CH - CH{(C{H_3})_2}$ is
→Total number of compounds with Chiral carbon atoms from following is___________. $IMAGE$
→$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}\left(\mathrm{NO}_2\right)-\mathrm{COOH} $
$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CHBr}-\mathrm{CH}_2-\mathrm{CH}_3 $
$ \mathrm{CH}_3-\mathrm{CH}(\mathrm{I})-\mathrm{CH}_2-\mathrm{NO}_2 $
$ \mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}(\mathrm{OH})-\mathrm{CH}_2 \mathrm{OH} $
$ \mathrm{CH}_3-\mathrm{CH}-\mathrm{CH}(\mathrm{I})-\mathrm{C}_2 \mathrm{H}_5 $